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49 fullstack software developer jobs at 39 companies in Napa, CA

3mo
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Fullstack Software Engineer
San Francisco, California, United States
$170k-$200k/yr HybridFull Time
Collective
Collective: All-in-one financial platform for self-employed entrepreneurs.
3+ YOE3–4 years of production software experience; strong fullstack skills (Python, Django, React); experience with external APIs and real-world data; hands-on AI developer tools; ability to ship end-to-end features with instrumentation; SQL and data warehousing (BigQuery a plus).
Python, Django, React, SQL, BigQuery, APIs
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2mo
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Fullstack Software Engineer, Applied AI
San Francisco, California, United States
$130k-$500k/yr OnsiteFull Time
Mercor
Mercor: Connecting expert human intelligence with frontier AI model development.
5+ YOE5+ years fullstack experience; JS/TS (React/Next.js); Python/Node.js backend; data pipelines; strong UX; able to own frontend and backend.
React, Next.js, Python, Node.js, REST, Relational databases
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2mo
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Fullstack Software Engineer, AI Agents (Copy)
San Francisco, California, United States
$150k-$250k/yr OnsiteFull Time
11x
11x: Builds autonomous AI agents for sales and revenue teams.
3+ YOE3+ years as software/product engineer; strong fullstack with TypeScript, React, Next.js, Node.js; ownership of products from concept to launch; high agency; strong product intuition; able to work in ambiguity; bias toward building and prototyping; strong cross-functional communication; interest in AI-native workflows.
TypeScript, React, Next.js, Node.js, Cursor, Claude, Windsurf, v0
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Staff Software Engineer - Fullstack
San Francisco or New York City or London or Sydney
$240k-$270k/yr OnsiteFull Time
Sigma Computing
Sigma Computing: Cloud-native analytics platform featuring a spreadsheet-style interface.
10+ YOE10+ years building and deploying high-quality web software; strong CS fundamentals; experience with Rust, Go, GraphQL, and TypeScript; continuous deployment and distributed systems experience preferred.
Rust, Go, GraphQL, TypeScript, SQL, Python
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Fullstack Software Engineer, Notifications Lifecycle
San Francisco, California, United States
$164k-$229k/yr RemoteFull Time
Reddit
RedditNYSE: RDDT: Social platform for community-driven discussion and content sharing.
3+ YOE3+ years software engineering; full stack experience; frontend in Typescript, backend in GraphQL, Go, or Python; strong testing and reliability.
Go, Python, Typescript, GQL, Spark, Kafka, Airflow, BigQuery, Redis, Cassandra, PostgreSQL, Kubernetes, Docker
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3mo
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Fullstack Staff Software Engineer
Foster City, California, United States
$146k-$234k/yr HybridFull Time
Visa
VisaNYSE: V: Global payment technology facilitating electronic funds transfers.
5+ YOE5+ years software engineering experience with a Bachelor's degree or 2+ years with an advanced degree; web/mobile apps; leadership experience; experience with web services; debugging and testing; cross-functional collaboration.
Java, C++, C#, Angular, React, Kubernetes, Docker
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AI Software Engineer (Fullstack)
Walnut Creek, California, United States
HybridFull Time
Clearstory
Clearstory: SaaS platform for managing construction project change orders.
2+ YOE2-3+ years software engineering; Python/TypeScript; fullstack React/Postgres; LLM tooling; cloud; Docker; CI/CD; strong communication.
Python, TypeScript, React, Postgres, Docker, CI/CD, GCP
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4d
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Fullstack Engineer
Washington, D.C. or London or New York City or Miami or San Francisco or Dubai or Singapore or Hong Kong or Tokyo
HybridFull Time
Elliptic
Elliptic: Blockchain analytics for crypto compliance and financial crime prevention.
Production software engineering experience with TypeScript, React, Nest.js, Postgres, Kubernetes, AWS, Terraform, and Datadog; AI-assisted development and cryptocurrency or blockchain interest required.
TypeScript, React, Nest.js, Postgres, Kubernetes, AWS, Terraform, Datadog
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4d
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Software Engineer - Fullstack
New York City or San Francisco
$170k-$225k/yr RemoteFull Time
Luminary
Luminary: AI-powered estate planning software for wealth management advisors.
4+ YOERequires 4+ years of software engineering experience and comfort with Postgres, Go, React, and TypeScript. Familiarity with cloud applications, complex data models, GraphQL, Playwright, or Temporal is valued.
Meticulous, Amp, Honeycomb, Temporal, PostHog, Braintrust, Postgres, Go, React, TypeScript, GraphQL, Apollo, Playwright
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6d
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Senior Fullstack Software Engineer, DX
San Francisco, California, United States
$149k-$235k/yr HybridFull Time
Atlassian
AtlassianNASDAQ: TEAM: Develops software for team collaboration and project management.
7+ YOERequires 7+ years building backend applications, fullstack experience, a bachelor's or master's degree or equivalent experience, programming proficiency, REST microservices, databases, cloud, and strong communication skills.
Ruby on Rails, SQL, React, Tailwind CSS, REST, Java, Kotlin, Go, Scala, Python, JavaScript, TypeScript, Node, Postgres, DynamoDB, AWS
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1mo
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Fullstack AGE
San Francisco, California, United States
OnsiteFull Time
E3 Group
E3 Group: Builds AI-powered agentic platforms for freight logistics automation.
Proven fullstack development experience; front-end (HTML,CSS,JavaScript,React/Angular) and back-end (Node.js,Python,Ruby,Java) proficiency; RESTful API and Git experience; strong problem-solving and communication skills.
HTML, CSS, JavaScript, React, Angular, Node.js, Python, Ruby, Java, RESTful API, Git
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1w
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Senior Fullstack Software Engineer
San Francisco or New York or Seattle or Little Rock
HybridFull Time
LiveRamp
LiveRampNew York Stock Exchange: RAMP: Provides a platform for secure data collaboration and identity.
5+ YOERequires 5+ years of software engineering experience, scalable distributed systems expertise, backend programming proficiency, and strong ownership. Bachelor's degree or equivalent practical experience required.
Go, Java, Python, TypeScript, React, Kubernetes, Google Cloud Platform
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2mo
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Fullstack Developer (US)
New Jersey or New York City or San Francisco
OnsiteFull Time
Lynx Analytics
Lynx Analytics: Provides graph-based AI and big data analytics solutions for enterprises.
5+ YOEBachelor's in CS, 5+ years full-stack development across front- and back-end, experience with React/Next.js and Python, cloud-native experience, overlap 3 hours/day with Pacific Time, strong communication.
React, Next.js, Jest, React Testing Library, Python, AWS, Azure, GCP, Docker, Kubernetes, CI/CD
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1mo
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Software Engineer, Fullstack
San Francisco, California, United States
$200k-$320k/yr OnsiteFull Time
Swarm Aero
Swarm Aero: A building swarming unmanned aircraft and command-and-control software to enable large-scale autonomous operations.
6+ YOEDegree in CS or equivalent, 6+ years building complex full-stack applications, strong UI/UX instincts, React experience, performance-sensitive and real-time systems experience, familiarity with WebGL/OpenGL and C++ preferred.
React, WebGL, OpenGL, C++, CI/CD
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2d
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Staff Software Engineer, Fullstack-MarTech
New York City or San Francisco or United States or Los Angeles or Seattle or Austin or Washington, D.C. or Philadelphia or San Diego or Chicago or Atlanta or Salt Lake City or Australia or Canada or South America
$170k-$250k/yr HybridFull Time
Flex
Flex: A financial platform allowing renters to split monthly rent payments.
8+ YOERequires 8+ years software development, 6+ years Java, 3+ years TypeScript and React, plus AWS, scalable APIs, event-driven systems, web performance, and cross-functional communication experience.
Java, Spring Boot, TypeScript, React, AWS, Spring, Gradle, JUnit, JVM, EKS, Aurora RDS, ElastiCache, DynamoDB, REST APIs, Braze, Singular, AppsFlyer, Branch, Google Tag Manager, Amplitude, LaunchDarkly, Meta, Google, TikTok, Apple, Snowflake, GitHub Actions, git, DataDog, CDK, Terraform, React Native
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1mo
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Senior Fullstack Engineer
San Francisco, California, United States
$170k-$250k/yr OnsiteFull Time
Circleback
Circleback: AI-powered platform for capturing and managing workplace meeting intelligence.
3+ YOE3+ years building and shipping full‑stack software; experience with React/Next.js, Electron, Swift, React Native; AI and product-oriented engineering judgment.
React, Next.js, Electron, Swift, React Native
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3d
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Software Engineer II, Fullstack
San Francisco or United States
$124k-$255k/yr HybridFull Time
Pinterest
PinterestNYSE: PINS: Visual discovery engine for finding and saving ideas.
3+ YOEBachelor’s degree in computer science or equivalent experience, 3+ years of full-stack development, proficiency with backend and frontend stacks, reliable coding practices, collaboration, and verified AI-assisted workflow experience.
JavaScript, React, API, A/B testing
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1w
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Fullstack Software Engineer
San Francisco, California, United States
$180k-$235k/yr HybridFull Time
Samba TV
Samba TV: Provides smart TV viewership data and advertising measurement software.
6+ YOEBachelor's degree or equivalent practical experience; typically 6+ years in full-stack/web development, technical leadership, JavaScript/TypeScript, Node, React, databases, Git, CI/CD, and cloud deployment.
JavaScript, TypeScript, Node, React, PostgreSQL, SQL, Git, CI/CD, AWS, GCP, Azure, Next.js, Remix, TanStack Start, SSE, WebSockets, tRPC, Hono RPC, GraphQL, pnpm, Vite, Auth0, OAuth/OIDC, JWTs, Sentry, OpenTelemetry, Prometheus, Grafana, Python, Go, shell
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2d
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Fullstack Engineer
San Francisco, California, United States
OnsiteFull Time
Krea
Krea: Develops generative AI tools for image and video creation.
Full-stack JavaScript/TypeScript engineering with frontend focus; SvelteKit, WebSockets, APIs, database schemas, caching, Kubernetes, Postgres, Redis, and observability experience preferred.
Svelte, SvelteKit, TypeScript, Node, Postgres, Redis, WebSockets, HTTP/3, AWS EKS, Kubernetes, Prometheus, OpenTelemetry, Axiom, HyperDX, GitHub, Slack, Notion, SAML, SSO, SCIM
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2w
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Senior Fullstack Engineer
Da Nang or San Francisco or United States or Vietnam or Europe
OnsiteFull Time
Flodesk: Design-focused email marketing and commerce platform for creators.
Strong frontend or backend engineering skills; TypeScript, React, modern build tools, SOA, Golang or Node.js, databases, AWS, scalable systems, AI-assisted development, product thinking, ownership, and collaboration.
TypeScript, React, Vite, Turbo, Golang, Node.js, MongoDB, PostgreSQL, AWS, Claude Code, Cursor, Codex, Figma, Shopify, Zapier, WooCommerce, MacBook Pro
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